Subwoofer



FIG. 1 is a perspective view of a subwoofer showing our new design;

FIG. 2 is a front view of the subwoofer of FIG. 1;

FIG. 3 is a right side view of the subwoofer of FIG. 1;

FIG. 4 is a rear view of the subwoofer of FIG. 1;

FIG. 5 is left side view of the subwoofer of FIG. 1;

FIG. 6 is a top view of the subwoofer of FIG. 1; and,

FIG. 7 is a bottom view of the subwoofer of FIG. 1.

The broken lines shown in FIGS. 1-7 are for illustrative purpose only and form no part of the claimed design. 

The ornamental design for a subwoofer, as shown and described. 